*{
 margin:0;
 padding:0;
 text-decoration: none;
 list-style: none;
}

body{
 font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

header{
 height: 100vh;
 width: 100vw;
 background-image: url(../image/billets.jpg);
 background-size: cover;
}

#container{
 width:400px;
 margin:0 auto;
 margin-top:10%;
}

/* Bordered form */

form {
 width:100%;
 padding: 30px;
 border: 1px solid #f1f1f1;
 background: #fff;
 box-shadow: 0 0 20px 0 rgba(0, 0, 0, 0.2), 0 5px 5px 0 rgba(0, 0, 0, 0.24);
}

#container h1{
 width: 38%;
 margin: 0 auto;
 padding-bottom: 10px;
}

/* Full-width inputs */

input[type=text], input[type=password] {
 width: 100%;
 padding: 12px 20px;
 margin: 8px 0;
 display: inline-block;
 border: 1px solid #ccc;
 box-sizing: border-box;
}

/* Set a style for all buttons */

input[type=submit] {
 background-color: #53af57;
 color: white;
 padding: 14px 20px;
 margin: 8px 0;
 border: none;
 cursor: pointer;
 width: 100%;
}

input[type=submit]:hover {
 background-color: white;
 color: #53af57;
 border: 1px solid #53af57;
}